All Product Types > ENGINEERED BEARINGS > Mounted Bearings > Mounted Solid-Block Spherical Roller Bearings > Double Concentric Solid-Block Mounted Bearings > Double Concentric Piloted Flange Cartridge > Part Number QAACW18A303S  

Part Number QAACW18A303S, Double Concentric Piloted Flange Cartridge

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Specifications  · Dimensions  · Radial and Thrust Factors  · Engineering Seal Speed  · Engineering Bearing Attributes  · Engineering Internal Radial Clearance

Specifications

Engineering Group
Mounted Bearing

Bearing Number
22218

Shaft Size
3 3/16 in

Shaft Size Type
Imperial

Full Timken Part Number
QAACW18A303SB
QAACW18A303SC
QAACW18A303SEB
QAACW18A303SEC
QAACW18A303SEM
QAACW18A303SEN
QAACW18A303SEO
QAACW18A303SET
QAACW18A303SM
QAACW18A303SN
QAACW18A303SO
QAACW18A303ST

Locking Style
Double Concentric

Housing Construction
Piloted Flange Cartridge

UPC Code
0883450078610
0883450078641
0883450078719
0883450078740
0883450078818
0883450078849
0883450078917
0883450078948
0883450079013
0883450079044
0883450079112
0883450079143


Dimensions

Dimension BC
8.63 in
219.2 mm

Dimension C
5.125 in
130.2 mm

Dimension D
7.13 in
181.1 mm

Dimension E
6.1 in
154.9 mm

Dimension B Exp
2.54 in
64.5 mm

Dimension B Fix
2.46 in
62.5 mm

Dimension F
10-1/4 in
260.4 mm

Dimension H
0.88 in
22.4 mm

Dimension J (Bolt Size)
0.75 in
20 mm

Dimension M
2.59 in
65.8 mm

Dimension L Exp
4.42 in
112.3 mm

Dimension L Fix
4.34 in
110.2 mm

Dimension RAA
0.85 in
21.6 mm

Dimension SAA
5.19 in
131.8 mm

Dimension G
7.375 in
187.3 mm

Dimension N
1.88 in
47.8 mm


Radial and Thrust Factors

C0 - Static Load
87200 lbf
388000 N

C - Dynamic Load (Basic)
79700 lbf
355000 N

e - Geometry Factor
0.23

Y1 - Geometry Factor
2.90

Y2 - Geometry Factor
4.31


Engineering Seal Speed

Oil Lubrication - M/N Seal
1400 rpm

Oil Lubrication - T Seal
2400 rpm

Oil Lubrication - B/C/O Seal
1000 rpm

Grease Lubrication - M/N Seal
1400 rpm

Grease Lubrication - T Seal
2000 rpm

Grease Lubrication - B/C/O Seal
1000 rpm


Engineering Bearing Attributes

Float
0.083 in
2.108 mm

Shaft Tolerance
0.0030 in
0.076 mm


Engineering Internal Radial Clearance

Eng Internal Radial Clearance - Min
0.0024

Eng Internal Radial Clearance - Max
0.0039

Pre Install Clearance Min
0.060 in
0.0024 mm

Pre Install Clearance Max
0.100 in
0.0039 mm


 MORE IMAGES 

·  Double Concentric Piloted Flange Cartridge - Dimensional Drawing



 DOWNLOADS 

Bearing Life Calculation Tool

Primary Sealing
(PDF, 280KB)

TIMKEN® SPHERICAL ROLLER BEARING SOLID-BLOCK MOUNTED BEARINGS



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